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Voltage Regulators - DC DC Switching Regulators

Manufacturer Series Package/Case Packaging Part Status Function Output Configuration Output Type Number of Outputs Voltage - Input (Min) Topology Voltage - Input (Max) Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Frequency - Switching Qualification Synchronous Rectifier Grade Operating Temperature Mounting Style Supplier Device 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Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Part Status Function Output Configuration Output Type Number of Outputs Voltage - Input (Min) Topology Voltage - Input (Max) Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Frequency - Switching Qualification Synchronous Rectifier Grade Operating Temperature Mounting Style Supplier Device Package
LM3670MF-1.8/NOPB

LM3670MF-1.8/NOPB

IC REG BUCK 1.8V 350MA SOT23-5

Texas Instruments

1,401
LM3670MF-1.8/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 5.5V 1.8V - 350mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
TC1044SCPA

TC1044SCPA

IC REG CHARGE PUMP 20MA 8PDIP

Microchip Technology

11,444
TC1044SCPA

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Ratiometric Negative Fixed 1 1.5V Charge Pump 12V -Vin - 20mA 10kHz, 45kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
TPS60500DGS

TPS60500DGS

IC REG CHARGE PUMP ADJ 10VSSOP

Texas Instruments

8,474
TPS60500DGS

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Step-Down Positive Adjustable 1 1.8V Charge Pump 6.5V 0.8V 3.3V 250mA 800kHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-VSSOP
LMR10510YSD/NOPB

LMR10510YSD/NOPB

IC REG BUCK ADJ 1A 6WSON

Texas Instruments

8,190
LMR10510YSD/NOPB

Datasheet

SIMPLE SWITCHER® 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 5.5V 0.6V 4.5V 1A 3MHz - No - -40°C ~ 125°C (TJ) Surface Mount 6-WSON (3x3)
BD9D321EFJ-E2

BD9D321EFJ-E2

IC REG BUCK ADJ 3A 8HTSOP-J

Rohm Semiconductor

6,199
BD9D321EFJ-E2

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.765V 7V 3A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-HTSOP-J
LMR10510XMFE/NOPB

LMR10510XMFE/NOPB

IC REG BUCK ADJ 1A SOT23-5

Texas Instruments

2,520
LMR10510XMFE/NOPB

Datasheet

SIMPLE SWITCHER® SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 5.5V 0.6V 4.5V 1A 1.6MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-5
LMR10510XMF/NOPB

LMR10510XMF/NOPB

IC REG BUCK ADJ 1A SOT23-5

Texas Instruments

2,247
LMR10510XMF/NOPB

Datasheet

SIMPLE SWITCHER® SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 5.5V 0.6V 4.5V 1A 1.6MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-5
TC1044SEPA

TC1044SEPA

IC REG CHARGE PUMP 20MA 8PDIP

Microchip Technology

192
TC1044SEPA

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Ratiometric Negative Fixed 1 1.5V Charge Pump 12V -Vin - 20mA 10kHz, 45kHz - No - -40°C ~ 85°C (TA) Through Hole 8-PDIP
REG710NA-3.3/3K

REG710NA-3.3/3K

IC REG CHARGE PUMP 3.3V SOT23-6

Texas Instruments

17,805
REG710NA-3.3/3K

Datasheet

- SOT-23-6 Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 1.8V Charge Pump 5.5V 3.3V - 30mA 1MHz - No - -40°C ~ 85°C (TA) Surface Mount SOT-23-6
REG710NA-5/3K

REG710NA-5/3K

IC REG CHRG PUMP 5V 30MA SOT23-6

Texas Instruments

13,564
REG710NA-5/3K

Datasheet

- SOT-23-6 Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 2.7V Charge Pump 5.5V 5V - 30mA 1MHz - No - -40°C ~ 85°C (TA) Surface Mount SOT-23-6
MCP1642BT-ADJI/MS

MCP1642BT-ADJI/MS

IC REG BOOST ADJ 800MA 8MSOP

Microchip Technology

10,263
MCP1642BT-ADJI/MS

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.65V Boost 5.5V 1.8V 5.5V 800mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-MSOP
REG71050DDCR

REG71050DDCR

IC REG CHARGE PUMP 5V 60MA SOT23

Texas Instruments

2,079
REG71050DDCR

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 2.7V Charge Pump 5.5V 5V - 60mA 1MHz - No - -40°C ~ 85°C (TA) Surface Mount SOT-23-THIN
MCP1603T-ADJI/OS

MCP1603T-ADJI/OS

IC REG BUCK ADJ 500MA TSOT23-5

Microchip Technology

1,613
MCP1603T-ADJI/OS

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.8V 4.5V 500mA 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-5
MCP1642D-ADJI/MS

MCP1642D-ADJI/MS

IC REG BOOST ADJ 800MA 8MSOP

Microchip Technology

1,495
MCP1642D-ADJI/MS

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Up Positive Adjustable 1 0.65V Boost 5.5V 1.8V 5.5V 800mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-MSOP
MCP1642B-ADJI/MS

MCP1642B-ADJI/MS

IC REG BOOST ADJ 800MA 8MSOP

Microchip Technology

1,475
MCP1642B-ADJI/MS

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Up Positive Adjustable 1 0.65V Boost 5.5V 1.8V 5.5V 800mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-MSOP
MCP1642B-50I/MS

MCP1642B-50I/MS

IC REG BOOST 5V 800MA 8MSOP

Microchip Technology

1,323
MCP1642B-50I/MS

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Up Positive Fixed 1 0.65V Boost 5.5V 5V - 800mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-MSOP
TPS61240DRVT

TPS61240DRVT

IC REG BOOST 5V 500MA 6WSON

Texas Instruments

25,190
TPS61240DRVT

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.3V Boost 5.5V 5V - 500mA (Switch) 3.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-WSON (2x2)
TPS560430X3FDBVT

TPS560430X3FDBVT

IC REG BUCK 3.3V 600MA SOT23-6

Texas Instruments

12,603
TPS560430X3FDBVT

Datasheet

SIMPLE SWITCHER® SOT-23-6 Tape & Reel (TR) Active Step-Down Positive Fixed 1 4V Buck 36V 3.3V - 600mA 1.1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-23-6
TPS62746YFPR

TPS62746YFPR

IC REG BUCK PROG 300MA 8DSBGA

Texas Instruments

11,312
TPS62746YFPR

Datasheet

DCS-Control™ 8-XFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Programmable 1 2.15V Buck 5.5V 1.2V, 1.8V - 300mA 1.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-DSBGA
LM3671MFX-1.8/NOPB

LM3671MFX-1.8/NOPB

IC REG BUCK 1.8V 600MA SOT23-5

Texas Instruments

11,060
LM3671MFX-1.8/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 1.8V - 600mA 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
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Voltage Regulators - DC-DC Switching Regulators Overview

DC-DC Switching Regulators, also known as DC-DC converters, are essential components in modern power management systems. Unlike linear regulators that dissipate excess energy as heat, switching regulators use high-frequency switching elements and energy storage components (inductors, capacitors) to efficiently step up, step down, or invert voltage levels. This design enables conversion efficiency levels of 80–95% or higher, making them indispensable for portable electronics, industrial automation, automotive systems, and communication equipment.

Key Advantages

High Efficiency: By minimizing energy loss, DC-DC switching regulators extend battery life in mobile devices and reduce overall power consumption in embedded systems.
Flexibility: Available in buck (step-down), boost (step-up), buck-boost, and inverting topologies, they provide engineers with versatile solutions for a wide range of voltage conversion needs.
Compact Size: With the integration of control circuitry and optimized packaging, regulators are now available in ultra-small footprints such as QFN and TSSOP, enabling compact PCB designs.
Thermal Performance: Efficient energy transfer reduces heat generation, which is critical in high-density boards and automotive ECUs.

Typical Applications

Consumer Electronics: Smartphones, tablets, wearables, and gaming devices rely on DC-DC converters for stable operation of processors, memory, and RF modules.
Industrial Equipment: Used in factory automation, robotics, and sensor networks where stable power is critical.
Automotive Systems: Powertrain control modules, infotainment units, and ADAS (Advanced Driver Assistance Systems) require efficient DC-DC conversion to meet stringent performance and reliability standards.
Telecommunication & Networking: Routers, base stations, and IoT gateways integrate switching regulators to ensure consistent power delivery under variable loads.

Features to Consider

When selecting a DC-DC switching regulator, engineers should evaluate:
Input voltage range and output voltage accuracy
Maximum output current capability
Efficiency curves under various load conditions
Switching frequency and EMI performance
Package type and thermal dissipation
Compliance with RoHS/REACH and automotive AEC-Q100 standards

Inventory and Availability

At OEMSTOCK.COM, we maintain a broad selection of Voltage Regulators – DC-DC Switching Regulators from leading manufacturers such as Texas Instruments, Analog Devices, Nuvoton, and Nisshinbo Micro Devices. Products are available in multiple packages and stocked in significant quantities to support both prototype development and large-scale production. Our global sourcing network ensures competitive pricing and reliable lead times, while our RFQ system allows engineers and procurement teams to request customized quotations instantly.
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